Double-minded is a term often used to describe a person who is indecisive or uncertain about their thoughts or actions. Some synonyms for double-minded include vacillating, wavering, undecided, ambivalent, and uncertain. These words all imply a sense of being torn between two opposing choices or ideas. Additionally, double-minded can also be described as being two-faced, insincere, or hypocritical. Other synonyms for double-minded include deceitful, disingenuous, and perfidious. Regardless of the specific word used, double-mindedness is seen as a negative trait, as it can lead to inaction, conflict, and a lack of accountability.